SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO
RULES 13d-1(b) AND (c) AND AMENDMENTS THERETO FILED
PURSUANT TO RULE 13d-2(b)
(Amendment No. 1)1
Open Market, Inc.
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(Name of Issuer)
Common Stock, par value $.001
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(Title of Class of Securities)
00068370M1
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(CUSIP Number)
1 The remainder of this cover page shall be filed out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter
disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).
Page 1 of 5 pages
<PAGE>
13G
CUSIP NO. 00068370M1 Page 2 of 5 Pages
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1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Tribune Company
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) / /
Not Applicable (b) / /
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3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
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5 SOLE VOTING POWER
NUMBER OF 805,000
SHARES ----------------------------------------
BENEFICIALLY 6 SHARED VOTING POWER
OWNED BY
EACH 0
REPORTING ----------------------------------------
PERSON 7 SOLE DISPOSITIVE POWER
WITH
805,000
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8 SHARED DISPOSITIVE POWER
0
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9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
805,000
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10 CHECK BOX IF THE AGGREGATE AMOUNT IN
ROW (9) EXCLUDES CERTAIN SHARES* / /
Not Applicable
- --------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
2.6%
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12 TYPE OF REPORTING PERSON*
CO
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*SEE INSTRUCTIONS BEFORE FILLING OUT!
Page 2 of 5 pages
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Item 1(a). Name of Issuer:
Open Market, Inc.
Item 1(b). Address of Issuer's Principal Executive Offices:
245 First Street, Cambridge, MA 02142
Item 2(a). Name of Person Filing:
Tribune Company
Item 2(b). Address of Principal Business Office or, if None, Residence:
435 North Michigan Avenue, Chicago, Illinois 60611
Item 2(c). Citizenship:
N/A (Delaware Corporation)
Item 2(d). Title of Class of Securities:
Common Stock, par value $.001
Item 2(e). CUSIP Number:
00068370M1
Item 3. NOT APPLICABLE
Item 4. Ownership.
(a) Amount beneficially owned:
805,000 Shares
(b) Percent of class:
2.6%
(c) Number of shares as to which such person has:
(i) Sole power to vote or to direct the vote -
805,000
(ii) Shared power to vote or direct the vote - 0
(iii) Sole power to dispose or to direct the
disposition of - 805,000
(iv) Shared power to dispose or to direct the
disposition of - 0
Page 3 of 5 pages
<PAGE>
Item 5. Ownership of Five Percent or Less of a Class.
If this statement is being filed to report the fact that as of
the date hereof the reporting person has ceased to be the
beneficial owner of more than five percent of the class of
securities, check the following [X].
Item 6. Ownership of More than Five Percent on Behalf of Another
Person.
NOT APPLICABLE
Item 7. Identification and Classification of the Subsidiary Which
Acquired the Security Being Reported on by the Parent Holding
Company.
NOT APPLICABLE
Item 8. Identification and Classification of Members of the Group.
NOT APPLICABLE
Item 9. Notice of Dissolution of Group.
NOT APPLICABLE
Item 10. Certification.
NOT APPLICABLE
Page 4 of 5 pages
<PAGE>
SIGNATURE
After reasonable inquiry and to the best of my knowledge and
belief, I certify that the information set forth in this statement is true,
complete and correct.
February 12, 1998
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(Date)
/s/ Crane H. Kenney
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(Signature)
Crane H. Kenney/Vice President,
General Counsel and Secretary
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(Name/Title)
Page 5 of 5 pages
